VAILLANT AUROTHERM 145H CONCRETE 2 PANEL The auroTHERM VFK 145 (vertical or horizontal model) flat plate collectors have the same high build quality as the auroTHERM plus but with a slightly lower solar efficiency. It has a toughened 3.2mm thick solar glass cover and new 40mm rear insulation.
The collector can be connected in series in horizontal or vertical orientation to suit the available roof space. The same range of roof fixing accessories can be used.